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SageMath
E = EllipticCurve("u1")
E.isogeny_class()
Elliptic curves in class 2898.u
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2898.u1 | 2898s2 | \([1, -1, 1, -653, 1779]\) | \(42180533641/22862322\) | \(16666632738\) | \([2]\) | \(3072\) | \(0.65235\) | |
2898.u2 | 2898s1 | \([1, -1, 1, 157, 159]\) | \(590589719/365148\) | \(-266192892\) | \([2]\) | \(1536\) | \(0.30577\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 2898.u have rank \(0\).
Complex multiplication
The elliptic curves in class 2898.u do not have complex multiplication.Modular form 2898.2.a.u
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the LMFDB numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.